Home / 65,450.43-90,307.71-45,274.95

Finding the Fourth Proportional to 65,450.43, 90,307.71 and 45,274.95

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Solution

The fourth proportional to 65,450.43, 90,307.71 and 45,274.95 is: 62,469.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,450.43 : 90,307.71 = 45,274.95 : x
  2. Step 2: Convert to fraction form
    65,450.43/90,307.71 = 45,274.95/x
  3. Step 3: Cross multiply
    65,450.43x = 90,307.71 × 45,274.95
  4. Step 4: Simplify right side
    65,450.43x = 4,088,677,054.86
  5. Step 5: Solve for x
    x = 4,088,677,054.86/65,450.43
  6. Step 6: Final answer
    x = 62,469.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.